package com.example.interview.example.bankCallSystem.impl_1;

public class NumberMachine {

    private NumberMachine() {
    }

    private static NumberMachine instance = new NumberMachine();

    public static NumberMachine getInstance() {
        return instance;
    }

    private NumberManager commonManager = new NumberManager();
    private NumberManager expressManager = new NumberManager();
    private NumberManager vipManager = new NumberManager();

    public NumberManager getCommonManager() {
        return commonManager;
    }

    public NumberManager getExpressManager() {
        return expressManager;
    }

    public NumberManager getVipManager() {
        return vipManager;
    }
}
